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A Unifying Framework for Version Control in a CAD Environment

... design (CAD) systems. In this paper we address a broad spectrum of semantic and operational issues in version control for a public/private distributed architecture of CAD systems. The research issues ...

Publication - cat - 07/28/2016 - 08:29 - 0 comments - 0 attachments

Updating Relational Databases through Object-Based Views

... N Keller, A Wiederhold, G ... The view-object model provides a formal basis for representing and manipulating object-based views on ...

Publication - erhard - 04/17/2013 - 09:38 - 0 comments - 0 attachments

Semantics and implementation of schema evolution in object-oriented databases

... systems) with multimedia documents. At MCC we have built a prototype object-oriented database system, called ORION. It adds persistence ... schema evolution, that is, the ability to dynamically make a wide variety of changes to the database schema. In this paper, following a ...

Publication - cat - 04/17/2013 - 06:05 - 0 comments - 0 attachments

Management Of Schema Evolution In Databases

... 1.28 MB This paper presents a version model which handles database schema changes and which takes evolution ... development of partial schema versions, or views of a schema. These versions are created in the same database from a common ...

Publication - cat - 04/16/2013 - 11:38 - 0 comments - 1 attachment

Schema and Database Evolution in the O2 Object Database System

... range:  n/a Attachment Size ... is modified, the database needs to be changed in such a way that the schema and the database remain consistent with each other. ...

Publication - cat - 04/16/2013 - 11:27 - 0 comments - 1 attachment

Incremental Reorganization Of Relational Databases

... Markowitz, Victor; Makowsky, Johann A. Author:  ... databases to model information oriented systems. A relational schema consisting of relational schemes, together with key and ...

Publication - erhard - 04/16/2013 - 11:05 - 0 comments - 1 attachment

Managing knowledge about information system evolution

... the design and initial prototype implementation of a knowledge base management system (KBMS) for controlling database software development and maintenance. The KBMS employs a version of the conceptual modelling language CML to represent knowledge about ...

Publication - cat - 04/16/2013 - 01:38 - 0 comments - 1 attachment

Versions of Schema for Object-Oriented Databases

... exclusively on versioning single design objects. In a multi-user design environment where the schema (definition) of the design ... the single design objects. In this paper, we propose a model of versions of schema by extending our model of versions of single ...

Publication - cat - 04/15/2013 - 21:05 - 0 comments - 1 attachment